colin powell officially endorsed the president. he praised mr. obama's handling of the economic recovery saying america is coming out of the dive and gaining altitude. >> mitt romney spent the day in ohio where he told supporters the election is not about him or republican party but america and borrowed a line from the president saying it's time for a change in washington. >> our campaign is about big things because we happen to believe america faces big challenges. we recognize this is a year with a big choice. the americans want to see big changes and i'm going to bring it to this country. >> he told supporters his campaign has momentum heading into election day but polls showed republicans surge following that first debate might have run its course. >> new information on a topic candidates disagreed on. the obama administration's response to the attack on the consulate in libya. u.s. ambassador chris stevens and three other americans were killed in the september 11th attack in benghazi. the defense secretary says the u.s. was ready to respond